//  This file is part of CoolShell
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/.

#include "stdafx.h"
#include "ClickAlgo.h"

ClickAlgo::ClickAlgo(DWORD doubleClickTime) :
    m_lastDownTime(0),
    m_lastUpTime(0),
    m_doubleClickTime(doubleClickTime)
{
}

void ClickAlgo::OnButtonDown()
{
    DWORD now = ::GetTickCount();
    if (m_lastUpTime >= m_lastDownTime && now - m_lastDownTime <= m_doubleClickTime)
    {
        OnDoubleClick();
    }

    m_lastDownTime = now;
}

void ClickAlgo::OnButtonUp()
{
    m_lastUpTime = ::GetTickCount();
}

bool ClickAlgo::Tick()
{
    DWORD now = ::GetTickCount();
    if (m_lastUpTime >= m_lastDownTime && now - m_lastDownTime >= m_doubleClickTime)
    {
        OnSingleClick();
        return false;
    }

    return true;
}
